Module: Yoshinon

Defined in:
lib/yoshinon.rb,
lib/yoshinon/deshite.rb,
lib/yoshinon/version.rb

Defined Under Namespace

Classes: Deshite

Constant Summary collapse

VERSION = 
'1.0.0'

Class Method Summary collapse

Class Method Details

.define_trap(signal) ⇒ Object 



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# File 'lib/yoshinon.rb', line 17

def self.define_trap(signal)
  Signal.trap(signal) do |value|
    @on_trap.each{|e| e.call(value)}
    Thread.new do
      @mutex.synchronize do
        @cv.wait(@mutex) until @deshite_set.empty?
      end
      exit 130
    end
  end
end

.lock ⇒ Object 



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# File 'lib/yoshinon.rb', line 29

def self.lock
  if block_given?
    deshite = lock
    begin
      yield
    ensure
      unlock(deshite)
    end
  else
    deshite = Deshite.new
    @mutex.synchronize do
      @deshite_set << deshite
    end
    deshite
  end
end

.on_trap(&block) ⇒ Object 



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# File 'lib/yoshinon.rb', line 13

def self.on_trap(&block)
  @on_trap << block
end

.unlock(deshite) ⇒ Object 



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# File 'lib/yoshinon.rb', line 46

def self.unlock(deshite)
  @mutex.synchronize do
    @deshite_set.delete(deshite)
    @cv.broadcast
  end
end